Marathons in August 2026

56 marathons this month

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🏃 Manitou Springs
Featured Aug 16, 2026
United States

Pikes Peak Marathon

Manitou Springs, Colorado Full Marathon, Half Marathon
750 runners
$110.00 entry View Details →
🏃 Leadville
Registration Open Aug 22, 2026
United States

Leadville Trail 100 Run

Leadville, Colorado Ultra Marathon
500 runners
$195.00 entry View Details →
🏃 Helsinki
Registration Open Aug 22, 2026
Finland

Helsinki Marathon

Helsinki Full Marathon, Half Marathon, 10K, Relay, Kids' Run
Certified 6,000 runners
€55.00 entry View Details →
🏃 Reykjavik
Registration Open Aug 22, 2026
Iceland

Reykjavik Marathon

Reykjavik Full Marathon, Half Marathon, 10K
Certified 5,000 runners
ISK 12,000.00 entry View Details →
🏃 Reykjavik
Featured Aug 22, 2026
Iceland

Reykjavik Marathon

Reykjavik Full Marathon, Half Marathon, 10K
BQ Certified 8,500 runners
ISK 12,900.00 entry View Details →
🏃
Registration Open Aug 22, 2026
Finland

Björn Borg Helsinki Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 22, 2026
Iceland

Islandsbanki Reykjavik Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 22, 2026
Thailand

Songkhla Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 22, 2026
Finland

Björn Borg Helsinki Marathon

Full Marathon
Certified
Free View Details →
🏃 Santa Rosa
Registration Open Aug 23, 2026
United States

The Santa Rosa Marathon

Santa Rosa, California Full Marathon, Half Marathon, 10K, 5K, Virtual
BQ Certified 3,500 runners
$100.00 entry View Details →
🏃 Marlboro
Registration Open Aug 23, 2026
United States

New England Green River Marathon

Marlboro, Vermont Full Marathon
BQ Certified 500 runners
$100.00 entry View Details →
🏃 Bali
Registration Open Aug 23, 2026
Indonesia

Maybank Bali Marathon

Bali Full Marathon, Half Marathon, 10K
Certified 10,000 runners
IDR 950,000.00 entry View Details →
🏃 Hyderabad
Registration Open Aug 23, 2026
India

Hyderabad Marathon

Hyderabad, Telangana Full Marathon, Half Marathon, 10K
Certified 10,000 runners
₹500.00 entry View Details →
🏃 La Paz
Registration Open Aug 23, 2026
Bolivia

La Paz International Marathon

La Paz Full Marathon, Half Marathon, 10K
Certified 4,000 runners
BOB 80.00 entry View Details →
🏃
Registration Open Aug 23, 2026
Australia

Barossa Marathon Festival

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 23, 2026
Peru

Kia Half Marathon & 10k by Puma

Half Marathon, 10K
Certified
Free View Details →
🏃 Seaside
Registration Open Aug 28, 2026
United States

Providence Hood to Coast Relay

Seaside, Oregon Relay, 196 miles (HTC), 128 miles (PTC)
12,600 runners
$1,500.00 entry View Details →
🏃
Registration Open Aug 29, 2026
Norway

Stavanger Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 29, 2026
Sweden

adidas Stockholm Half Marathon

Half Marathon
Certified
Free View Details →
🏃 Perth
Registration Open Aug 30, 2026
Australia

Chevron City to Surf Perth

Perth, Western Australia Marathon
40,000 runners
AUD 45.00 entry View Details →
🏃 Hyderabad
Registration Open Aug 30, 2026
India

NMDC Hyderabad Marathon

Hyderabad, Telangana Full Marathon, Half Marathon, 10K, 5K
Certified 18,000 runners
₹800.00 entry View Details →
🏃 Mexico City
Registration Open Aug 30, 2026
Mexico

XLIII Telcel Mexico City Marathon

Mexico City Full Marathon
Certified 30,000 runners
MXN 1,200.00 entry View Details →
🏃 Mexico City
Featured Aug 30, 2026
Mexico

Maratón de la Ciudad de México

Mexico City Full Marathon, Half Marathon
Certified 27,000 runners
MXN 800.00 entry View Details →
🏃 Nouméa
Registration Open Aug 30, 2026
New Caledonia

Running Nouméa Marathon — New Caledonia

Nouméa Full Marathon, Half Marathon, 10K
2,500 runners
XPF 5,000.00 entry View Details →